persamaan bayangan elips tersebut

Hasil Rotasi (P(0,0) , 90°)
x' = -y --> y = - x'
y' = x  --> x = y'
sub ke pers elip

(x+3)²/(3) + (y+1)²/4 = 1
dirotasi n, bayangannya
(y+3)²/3 + (-x+1)²/4 = 1
(y+3)² /(3) + (x-1)² /(4) = 1
atau
(x -1)²/ (4) + ( y+ 3)²/( 3) = 1
(B)